Mathematics 0580 · IGCSE · Angles

Angles — practice question

The figure depicts a regular pentagon. $AB$ serves as a line of symmetry. The angle at A formed with one side is marked $d$^{\circ}.
(main)[3]

Calculate the value of $d$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Method: $180 \times (5 - 2)$ or $\frac{360}{5}$” …

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